Reading defender Ibrahima Sonko has been ruled out for the rest of the season with a knee ligament injury.
Sonko's absence is a big blow to Reading
The 26-year-old centre-back suffered the injury when he fell awkwardly during the Royals' 3-1 victory over Sheffield United on 20 January.
Reading boss Steve Coppell told the club's website: "We will be missing Sonko for the rest of the season.
"He is an important player for us but the signings we've made recently will help to compensate for his absence."
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Coppell has signed defenders Michael Duberry, Greg Halford and Alan Bennett this month.